Analysis

  • max time kernel
    148s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    05-12-2020 15:19

General

  • Target

    Document for FEDEX clearance.exe

  • Size

    933KB

  • MD5

    e47bfff65206f25107f97232d1837eee

  • SHA1

    ee1595672da926e1c5630ce961a22071a2f46179

  • SHA256

    0771791b95c7869be68dc8225a8763158d758b73cd83869f55188cd0ec98cbac

  • SHA512

    9fb9176ee7455e812e1c0a353574dae18d91c793c997423e680a04c33d1beac8a0fce08784fb7d29e1ed50c268de015196f82e5f2e7344df375e0aef53be9ae9

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.lokalboyz.com
  • Port:
    587
  • Username:
    oc@lokalboyz.com
  • Password:
    Gllm9vjy

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • AgentTesla Payload 4 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Document for FEDEX clearance.exe
    "C:\Users\Admin\AppData\Local\Temp\Document for FEDEX clearance.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:1424
    • C:\Users\Admin\AppData\Local\Temp\Document for FEDEX clearance.exe
      "C:\Users\Admin\AppData\Local\Temp\Document for FEDEX clearance.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2016

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Replay Monitor

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Downloads

  • C:\Windows\Microsoft.NET\Framework\v2.0.50727\config\security.config.cch
    MD5

    7678feb096acc948b408a3e8c1147e8b

    SHA1

    e4294e44c38ba32e7a720a04f9c65d9939e28c6a

    SHA256

    be8d2c55ca34f49fa13510680e63cc100401d9f8c6cb38720ba8ef028e7fe9d8

    SHA512

    4c6c875f829d8d9bfd905053bd520f6bb2186366a1e754baeec95168becaa24a5e7f53a443b9d53cea4edee4b15d05dfbf32e1b146a4258039350128eb125784

  • memory/2016-4-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/2016-5-0x00000000004373EE-mapping.dmp
  • memory/2016-7-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/2016-6-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB